• 989_OP = 1
• 989_CL = 0
•
989G_OP = 1
• 989G_CL = 0
If, in this case, line voltage supervision is added, then rather than setting 989 to open
state, specify the state of the voltage supervision:
• 989_OP = VOLT_OFF
• 989_CL = VOLT_ON
If there is no voltage supervision, then set the corresponding inputs as follows:
• VOLT_OFF = 1
• VOLT_ON = 0
14.4.9 Interlocking for breaker-and-a-half diameter BH (3)
IP14173-1 v3
14.4.9.1 Application
M13570-3 v6
The interlocking for breaker-and-a-half diameter (BH_CONN(3), BH_LINE_A(3),
BH_LINE_B(3)) functions are used for lines connected to a breaker-and-a-half
diameter according to figure
168.
1MRK 511 401-UUS A Section 14
Control
Bay control REC670 2.2 ANSI 405
Application manual
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